text: #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  #
  #                                  Giangi Sacco
  #                        NASA Jet Propulsion Laboratory
  #                      California Institute of Technology
  #                        (C) 2009-2012  All Rights Reserved
  #
  #~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  from __future__ import print_function
  import sys
  
  def checkPythonVersion():
      if 0:
          raise DeprecationWarning("Function is derecated- import suffices")
  
  
  